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Description
Technical data of insert for inch external threads 22 ER N55
| Technical data | |
|---|---|
| Side length L | 22mm |
| Thread profile | 55 degrees |
| Insert type | External Right / Internal Left Inch Thread |
| Thread pitch range P | 3.5 to 5.0 mm |
| Application examples | BSW 1.1/8-7; BSW 1.1/4-7; BSW 1.1/2-6; BSW 1.3/4-5 |
| Thread profile | partial G |
| Carbide grade MTA | Suitable for carbon steel, alloy steel, cast iron, stainless steel, cast steel, cast iron and non-ferrous metals |
Inch thread insert N55 - precision machining of large diameters
The 22 ER N55 HTA thread insert is a professional tool for large diameters. It is used for making inch external threads with an angle of 55 degrees on the lathe. Designed primarily for G pipe threads conforming to DIN ISO 228, the N55 profile allows threading of different pitches in one working range. It also works well for threading Whitworth BSW and BSF with the same angle.
The insert can be used interchangeably as an internal left for inch threads. The 22 mm size provides maximum rigidity when machining large tubular structures. The HTA Horn grade provides exceptional tool life and cutting precision. Ideal for industries requiring the highest quality large diameter inch threads.
Key benefits of the 22 ER N55 HTA insert
- Size 22 mm guarantees maximum stability when threading large pipe diameters
- N55 profile with 55-degree angle dedicated to G and Whitworth threads
- Universal application for BSP and Whitworth BSW and BSF pipe threads
- Interchangeable use as external right and internal left insert
- HTA grade Horn provides excellent durability and quality of thread surface finish
The insert is chosen by professionals for the precision of inch threading on the lathe of large industrial structures. It will perform well in the production of industrial pipelines, large-scale hydraulic installations, steel structures and the manufacture of large threaded parts. Ideal for heavy industry plants, workshops serving industrial installations and production of pipe structures. Bet on quality confirmed by specialists in the machining industry. Order the insert Horn, which will ensure perfect threading of large inch diameters.
Cutting parameters for external insert right 22 ER pitch 3,5- 5 mm
| ISO Symbol | Material | Cutting speed Vc [m/min] |
|---|---|---|
| P | Steel | 50-180 |
| M | Stainless steel | 50-90 |
| K | Cast iron | 65-120 |
| N | Aluminum and non-ferrous materials | 90-180 |
Number of recommended passes depending on thread pitch
| Pitch mm [TPI zwoje] | 3,5 | 4,0 | 5,0 | |
|---|---|---|---|---|
| Number of passes | 8-17 | 10-20 | 11-22 |
Frequently asked questions
1. What threads is the 22 ER N55 HTA insert suitable for?
The insert is mainly designed for inch G threads conforming to DIN ISO 228. The N55 profile with an angle of 55 degrees supports various pitches of pipe threads. You can also make Whitworth BSW and BSF threads with the same angle. The 22mm size ensures stability when machining large diameter industrial installations.
2. How does the HTA grade differ from BMA?
HTA grade Horn is a premium carbide with optimized chemical composition. It provides better thread surface quality and higher precision machining. BMA is a universal grade with high hardness and resistance. HTA offers a perfect finish and longer life in demanding industrial applications.
3. Can the insert be used as an internal?
Yes, the 22 ER N55 HTA insert can be used interchangeably. It works as an internal left-hand insert for threading large inch threads. It requires a suitable 22 mm toolholder and a precise tool setting. This makes it a universal solution for external and internal threading of large diameters.
4. What is the height of the turned thread outline
H1 - Height of thread outline given in [mm] || P - pitch of thread given in [mm]
H1 [mm]=0.54127*P
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Shipping
All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE
| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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